[U-Boot] [U-Boot, v1, 2/3] imx: serial_mxc: disable ri and dcd irq in dte mode

sbabic at denx.de sbabic at denx.de
Sat Feb 16 10:35:57 UTC 2019


> From: Max Krummenacher <max.krummenacher at toradex.com>
> If the UART is used in DTE mode the RI and DCD bits in UCR3 become
> irq enable bits. Both are set to enabled after reset and both likely
> are pending.
> Disable the bits to prevent an interrupt storm when Linux enables
> the UART interrupts.
> Signed-off-by: Max Krummenacher <max.krummenacher at toradex.com>
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>

Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

-- 
=====================================================================
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
=====================================================================



More information about the U-Boot mailing list